;;; pcustom.el -- a portable custom.el.
;; Copyright (C) 1999 Mikio Nakajima
;; Copyright (C) 1999 Shuhei KOBAYASHI
;; Author: Mikio Nakajima
;; Shuhei KOBAYASHI
;; Maintainer: Mikio Nakajima
;; Keywords: emulating, custom
;; This file is part of APEL (A Portable Emacs Library).
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License as
;; published by the Free Software Foundation; either version 2, or (at
;; your option) any later version.
;; This program is distributed in the hope that it will be useful, but
;; WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;; General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Code:
(require 'poe)
;; If old compiler is used under v18, `eval-when-compile' and
;; `static-if' are expanded (and evaluated) at *load-time*.
(eval-when-compile (require 'static))
;; XXX: needs better abstraction.
(static-if (condition-case nil
;; compile-time check.
;; "new custom" requires widget library.
(and (require 'widget)
(require 'custom)
(fboundp 'custom-declare-variable))
(error nil))
;; you have "new custom". no load-time check.
(require 'custom)
;; your custom is "old custom", or you don't have custom library
;; at compile-time.
(or (condition-case nil
;; load-time check.
;; load "custom" if exists.
(and (require 'custom)
(fboundp 'custom-declare-variable))
(error nil))
;; your custom is "old custom", or you don't have custom library.
;; load emulation version of "new custom".
(require 'tinycustom)))
(provide 'pcustom)
;; end of pcustom.el